 Teaching Time  Mark Cogan
A resource for teaching time. The site includes an interactive clock as well as online games and innovative worksheets.
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 TeachingTools.com  TeachingTools
Create math practice worksheets: multiplication tables with exercises, whole numbers, decimal and fraction operations, matching exercises for math terms, geometry terms, and 'story problems' clue words, an identifying geometry shapes exercise, and an
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 Teaching to the Beat of a Different Drummer  Brian Stockus
Blog by a lead curriculum specialist for elementary mathematics in Texas who taught elementary school and led content developers in the design of digital math lessons. Posts, which date back to August, 2012, have included "To question, how to question,
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 Teaching with Electronic Technology  Michael L. Hall
A collection of Web sites reflecting a variety of uses for computing and related forms of electronic technology in teaching, arranged to proceed from more general and theoretical resources to instructive examples of specific applications of technology
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 Teaching with Original Historical Sources in Mathematics  Laubenbacher, Pengelley; Dept. of Mathematical Sciences, New Mexico State Univ.
Excerpts, many in .dvi or postscript formats, and links to extensive information from a book on teaching mathematics with original historical sources: courses, books, and materials available at the undergraduate and high school levels, work with school
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 TeachingWorks
Establishing a "professional system for the training of teachers" through "a common curriculum for professional training that focuses on highleverage practices and on the subjectmatter knowledge needed for teaching; performance assessments of teachers'
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 Teach Kids Math With Model Method  Zach
Tutorials for parents or teachers, of the Model Method, widely used in Singapore Math by Singaporean teachers, tutors, and parents. Covers the method for basic operations, fractions, decimals, percents, averages, and ratio.
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 teachmathematics.net  Noble, Jim; Wade, Richard; and Bowles, Oliver
Collections of activities, movies, virtual manipulatives, presentations, simulations, screencasts, and other resources for math "lessons to look forward to." See also the mathematical experience, a discussion in response to the question "What makes a
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 Teach Math for Free  Akshay Kaushik
Blog of basics concepts on geometry, tricks for faster arithmetic calculations, and more. Posts, which date back to November, 2014, have included "Short cut for Multiplication tables from (1119)," "Cubing a number  Simplified," "Basics of Circles 
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 TeachMeWell.com  TeachMeWell, Inc.
TeachMeWell.com provides online math help for children ages 5 to 10 or in grades 1, 2, 3, 4 or 5, covering basic math problems with an emphasis on speed and accuracy. Full details and pricing options are available on the site.
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 Teachnet.Com
A site for teachers with lesson plans, tips on classroom decor, management, and projects, a page for teachers to ask for advice from other teachers, and a "Brainstorm of the Day" classroom project.
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 TeAchnology  Teachnology, Inc.
A portal for information about current and past practice in the field of education. Read math teaching "Ideas That Worked"; and tutorials ranging from teacher retirement planning and "What to Consider When Writing a Lesson Plan" to "How to Deal With Disruptive
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 TeachPi.org
This "onestop Pi Day shop for teachers and number lovers" offers stories, biographies, book recommendations, and other topical resources to celebrate March 14th. Brief descriptions of some of the activities come with extensions and short anecdotes from
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 Teach R Kids Math  Manri Systems
Math for elementary school children: online and offline math assignments and worksheets, ranging from simple counting for preschoolers to division and multiplication problems, and calendar and clock exercises for learning to tell time.
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 Team America Rocketry Challenge  the Aerospace Industries Association (AIA) and the National Association of Rocketry (NAR)
Want to design, build, and fly model rockets? The first of these rocket contests was advertised as a oneoff celebration of the 2002 Centennial of Flight; but the enthusiasm about the event was so great that its sponsors, the AIA and the NAR, were asked
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 TEAMS Distance Learning for K12 Educators  Los Angeles County Office of Education (LACOE)
Information about TEAMS (elementary distance learning provider); TEAMS classroom projects; and discussion groups for TEAMS participants. Also numerous links to
resources for math, science, social sciences, language arts, art and more; lesson plans; K12
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 Team Umizoomi  Viacom International Inc.
Milli, Geo, and Bot solve everyday math problems with their "Umifriend" preschoolers. Get Mighty Math crafts, games, printables, and recipes. Download episodes of this animated liveaction series broadcast on Nickelodeon's Nick Jr. television show.
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 Tech Adventures in a Middle School Math Class  Caryn Trautz
Blog by a special education middle school math teacher and Certified Google Educator. Posts, which date back to June, 2013, have included "My First Year with iPads," "QR Code Scavenger Hunt," "Appsmashing with Desmos," "PD on Plickers," "Fraction Review
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 TechExpo: Technical Conference Information Center  TechExpo Corp.
A searchable database of upcoming technical conferences, listed in chronological order or searchable by conference name, topic, sponsoring organization, country, city, state, etc. Techexpo will post up to a few lines of technical and science conference
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 tech.LEARNING  Miller Freeman, Inc.
From the editors of Technology & Learning magazine, a leading publication for educators: ideas, tools, and resources for integrating technology into the K12 school, classroom and curriculum. Information offered includes software reviews, recognition
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 Technical computations by MATLAB  Dr. M. Kanagasabapathy
Standalone MATLAB freeware programs for numerical interpolation analytical methods such as Lagrange, nth order polynomial, Hermite, piecewise cubic Hermite, Neville, cubic spline, and more.
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 Technical Reports index  University of Cambridge Computer Laboratory
Technical reports by the University of Cambridge Computer Laboratory, some dating back to 1974, and all those published since January, 2002. Titles include "Decimalisation table attacks for [ATM] PIN cracking"; "Turing Switches  Turing machines for alloptical
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 Technische Universität München School of Education
Research, publications, teaching portfolios, and more about the Technische Universität München (TUM) School of Education, which trains teachers for vocational schools and upper secondary schools (Gymnasien) in Germany. See, in particular, the
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 Technologies: Past and Future  Cut the Knot!, Alexander Bogomolny, with Don Greenwell
A discussion of the similarities in browsing through books and surfing the Internet, the serendipitous discoveries that can be made, fallacious geometric and other puzzles, and an interesting integer matrix, with recommendations of books to read and sites
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 The Technology College Short Course (CSC) Program  Waits, Demana; Dept. of Mathematics, The Ohio State University
The CSC Program offers weeklong summer short courses in the United States for college and university mathematics faculty designed to enhance the teaching and learning of collegiate mathematics through handheld calculator technology. It is the college
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 Technology for All Americans Project  International Technology Education Association (ITEA)
An effort to increase the technological literacy of all Americans, to develop a clear vision of what it means to be technologically literate, how this can be achieved at a national level, and why it is important for the nation. Read the Executive Summary:
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 Technology in Hand  Texas Instruments, Inc. (TI)
Texas Instruments has compiled 55 ideas from over 150 submitted on how educators are helping their students purchase technology. Use the link to "Creative Funding Ideas" to view them. In addition they have posted four "Educator Funding Stories," success
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 Technology in Math Education: AMS/MAA 1997 Joint Meetings  The Math Forum
A selection of presentations from the Joint Mathematics Meetings, 811 January 1997, San Diego, CA.
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 Technology in Math Education  Mathematics Education at the Math Forum
Teaching and technology: case studies and critical issues; calculators; computers; conferences, forums, and panel discussions; pedagogy and curriculum development; software for mathematics education; text recommendations.
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 Technology in Math Education: NCTM 1996, San Diego  Math Forum
A selection of presentations from the 74th Annual NCTM Meeting, 2528 April 1996, San Diego, CA.
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 Technology in the Geometry Classroom  Math 5337, The Geometry Center
Course materials developed at the Geometry Center and used for teaching pre and inservice teachers of high school geometry interested in using technology in their classrooms (see the Summer 1996 syllabus ). Four selfcontained parts: Internet Skills,
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 Technology in the IMP Classroom  Alper, Fendel, Fraser, Resek
The Interactive Mathematics Program (IMP) has developed a new fouryear high school curriculum which is organized around units lasting from 5 to 8 weeks. Each unit centers on a rich problem, and students develop new concepts and skills by solving that
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 Technology 'Nformation forTeachers (T'NT)  Lesson Plans
Units of Lesson Plans: directories of lesson plans that form a curriculum unit or theme. Lesson Plans: abstract and complete versions of the T'NT Lesson Plans. Search by grade level or subject, or search all lesson plans.
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 Technology PoWs  Math Forum
Challenges modeled on the Forum's Problems of the Week (PoWs) that take advantage of interactive mathematics tools. Students are invited to follow the link to "Submit your answer" to share their solutions, and then "selfmentor" using specially designed
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 Technology Student Association
A student organization devoted exclusively to the needs of middle and high schoolers interested in technology. Chapters of the Technology Student Association (TSA) take the study of science, technology, engineering, mathematics (STEM) "beyond the classroom"
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 Technology Training of PreService Teachers  Cathleen Maria Zucco, LeMoyne College; Math Forum
How LeMoyne College preservice secondarylevel mathematics teachers are prepared to integrate technologies in their classroom instruction. During a four week technology period, student teachers are instructed to use graphing calculators (the TI82),
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 Tech Powered Math  Lucas Allen
This site is designed to alert students, parents, and educators to new developments in technology for learning math and educate them on how to use those resources. Content is continuously added in these areas: video lessons incorporating technology; reviews
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 Ted Spence's Home Page
Research into the classification of combinatorial designs. Recent work has entailed the classification of all Hadamard matrices of order 28. Links include: a List of Publications; 2designs; Hadamard matrices Twographs; Steiner S(2,4,25); Regular graphs
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 Teen Math Whizzes Go Euclid One Better  Gautam Nair, The Wall Street Journal
The scholarly journal Mathematics Teacher has churned out some 7,500 articles published over the past nine decades. This month, Volume 90, issue No. 1 will feature a first: a formal math treatise by two high school students. A reproduction of an article
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 Teichmüller Navigator 2.0  Deva Van Der Werf; Bowdoin College, The Geometry Center
A graphical tool for visualising a tiling of a genus2 Riemann surface by octagons  for moving around in the Teichmüller space of a surface visually, to provide some sense of how a surface changes with different geometries upon it.
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 Tela the TEnsor Language  Geophysical Research/Finnish Meteorological Institute
A numerical computing environment mainly targeted for numerical simulation pre and postprocessing work. Properties: supports arbitrary dimensional arrays (currently the rank must be less than five though); is generally 24 times faster than Matlab, the
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 Tell A Number Trick (Magic of Numbers)  Paul Chika Emekwulu
A number trick, with an algebraic investigation and an explanation. From Novelty Books and Articles OnLine.
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 Telling Time in Different Time Zone (SMILE)  Borita Khim, Stockton Elementary School
A lesson for grade 4 designed to teach students to tell time in different time zones. From the "Miscellaneous" section of a collection of almost 200 single concept lessons by the Science and Mathematics Initiative for Learning Enhancement.
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 Temperature Conversion Calculator  College of Chemistry, Univ. of California at Berkeley
A short explanation of temperature and the units by which it is measured, with a calculator for converting to and from Celsius, Fahrenheit, Réamur, Kelvin, and Rankine scales.
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 Temperature (SMILE)  Patricia A. Calloway, Spencer Math and Science Academy
A lesson designed to teach students to read temperature on a Celsius thermometer; and to read and interpret bar graphs. From the Practical and Applied Math section of a collection of almost 200 single concept lessons by the Science and Mathematics Initiative
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 Temperatures (MSTE)  John Meseke; University of Illinois at UrbanaChampaign (UIUC)
Using current weather data to calculate range, mean, variance, and standard deviation of certain data sets, and then analyzing these calculations.
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 Temperature World
Temperaturerelated news, resources, and links. Topics include: Earth, environment, and planets; House and home; Health; Science, technology, and materials; Temperature sensors, heaters, controls, and instrumentation; Organizations and Standards; General
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 A Template for Napoleon's Theorem Explorations  Steve Weimar, with Sarah Seastone
Some suggestions for things to investigate related to Napoleon's Theorem. Includes a sample sketch.
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 Templates for Linear Algebra Problems  Bai, Day, Demmel, Dongarra, Gu, Ruhe, and van de Vorst
The solution of linear systems of equations and eigenvalue problems lies at the
heart of most calculations in scientific computing. This paper discusses some recent developments designed to help the user on advancedarchitecture computers, focusing on
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 Templates for the Solution of Linear Systems  SIAM
A book in html (also available in postscript format) that introduces fundamental iterative methods, notably Jacobi, GaussSeidel, [Bi]Conjugate gradient, and Chebyshev. The chapters include notes on preconditioning, decomposition, and other related subjects.
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